Exerciser.



No. 684,7. Panama-'nen aj," |901.

w. w. sLoAN, 1n. v

EXERGISER (Appueation med Apr. s, 41901.-)

(No Model.)

W/ TNE SSE S NiTnD STATES PATENT Onnrcni. c

WILLIAM WILSON SLOAN, JR., OF BUFFALO, NEW YORK.

EXERCISER.

SPECIFICATION forming part of Letters Patent No. 684,117, dated October8, 1901.

Application filed April 30, 1901. Serial No. 58,119. (No model.)

To all wiz/0m, it rmty con/cern:

Be it known that I, WILLIAM WILsoN SLOA, Jr., a citizen of the UnitedStates, and a resident of Buffalo, in the county of Erie and State ofNew York, have invented a new and Improved Exerciser, of which thefollowing is a full, clear, and exact descriplion.

This invention. relates to an exercising device designed for developingthe muscles of the wrists and arms; and it consists, brieliy stated, intwo hand-blocks which are connected together to turn relatively to eachother and which have a friction device bearing between them, so that byrelatively turning the blocks the various muscles of the arms and wristsmay be brought into play and thereby developed.

This specification is a specific description of two forms of theinvention, while the claims are definitions of the actual scope thereof.

Reference is to be had to the accompanying drawings, forming a part ofthis specification, in which similar characters of reference indicatecorresponding parts in all the views.

Figures l and 2 are perspective views illustrating the use of theinvention. Fig. 3 is an elevation of the invention. Fig. 4 is a sectionon the line 4 4 of Fig. 3, and Fig. 5 is an elevation of aslightly-modified form of the invention.

ot and b indicate the hand-blocks, and o indicates a tierod which passescentrally through these blocks and holds them together, forming at thesame time the axis whereon the blocks may relatively turn, each blockbeing loosely mounted on the tie-rod.

d indicates an annular friction-plate of metal which bears on a metallicwear-plate d', fastened to one of the blocks a. The wearplate d isrectangular in form to conform to the shape of the hand-block, and thefrictionplate d may, if desired, be made annular, as :in Figs. 1, 2, and3, or it may be made oblong or rectangular, as indicated in Figs. 4 and5. Pins e are attached to the friction-plate d at opposite sides ofthetie-rod c and project into passages b',formed longitudinally in thehandblock b. In these passages are arranged expansive springs f, whichpress against the 5o pins e, and screws g are fitted in the outer endsof the passages b and bear against the springs to regulate the tensionthereof. If desired, washers c may be placed in the blocks d and b toengage the nuts on the tie-rod o.

The springs f force the friction-plate d against the wear-plate cl, sothat the work of turning the blocks relatively to each other willinvolve considerable exercise. The degree of this exercise may beregulated relatively by adjusting the screws g, which regulate thetension of the springsf. If desired, the wear-plate cl/ may be dispensedwith. It is merely suicient that the tie-rod have loose connection witheach block and constitute the axis on which they may be turnedrelatively.

In using the invention the blocks are grasped one in each hand and anumber of very efficient movements may be made, all of which involve thetwisting of the blocks around their axes. Itis not necessary for me toexplain in detail these movements, since they will be apparent, and,indeed, may be multiplied indefinitely.

Having thus described my invention, I claim as new and desire to secureby Letters Patent l. An exerciser, comprising two handpieces, a pinpivot-ally connecting the same together to turn around a common center,and means working between said handpieces for resisting the independentturning thereof.

2. An exercising device, comprising two handpieces, a pin pivotallyconnecting the same together to turn relatively around a common center,and a spring-pressed member working between the handpieces to resist theturning movement thereof.

3. An exercising device, comprising two hand pieces connected togetherto turn relatively around a common center, a frictionl plate bearing onone handpieee, and a spring engaging the other handpiece and thefriction-plate and pressing the friction-plate into active position.

4. An exercising device, comprising two handpieees connected together toturn relatively around a common center, an annular In testimony whereofI have signed my friction-plate bearing on one of the handname to thisspecification in the presence of pieces, :L pin connected to thefriction-plate two subscribing witnesses.

and extending to the other` handpieee, and VILLIAM WILSON SLOAN, JR. 5 aspring carried by the said other handpiece \Vitnesses:

and pressing the pin, foi1 the purpose speci- ALFRED L. HARRISON,

ed. l WILLIAM F. SMITH.

